Overview
- District ID
- tx-hd-031
- State
- Texas
- Chamber
- Lower chamber
- District Code
- 031
- Land Area
- 12,770.8 sq mi
- Water Area
- 629.4 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 11 counties
Places
Showing top 25 of 159 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| TX District 28 | 95,078 | 51.4% | 12.4% | 49.3% |
| TX District 15 | 82,874 | 44.8% | 10.8% | 27.7% |
| TX District 23 | 6,664 | 3.6% | 0.9% | 11.6% |
| TX District 34 | 350 | 0.2% | <0.1% | 11.4% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 119,516
- Active Voters
- 114,997 (96.2%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 71,119 (59.5%) | 17,482 (14.6%) | 14,394 (12.0%) |
| 2021–2022 | 52,371 (43.8%) | 19,776 (16.5%) | 13,745 (11.5%) |
| 2019–2020 | 64,446 (53.9%) | 27,858 (23.3%) | 10,750 (9.0%) |
| 2017–2018 | 44,712 (37.4%) | 24,775 (20.7%) | 6,849 (5.7%) |
| 2015–2016 | 46,971 (39.3%) | 23,485 (19.7%) | 11,100 (9.3%) |
| 2013–2014 | 24,000 (20.1%) | 17,970 (15.0%) | 4,468 (3.7%) |
| 2011–2012 | 39,982 (33.5%) | 20,112 (16.8%) | 3,848 (3.2%) |
Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.
Browse the voter list for this district (premium access; sign-in required)
Source: Civitech voter file snapshot as of 08/14/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 188,373 (± 280)
- Median Age
- 35.1
- Median Household Income
- $55,148 (± $2,671)
- High School Graduate or Higher (age 25+)
- 75.1%
- Bachelor's Degree or Higher (age 25+)
- 17.4%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 50,641 | 26.9% |
| 18 to 64 | 109,699 | 58.2% |
| 65 and over | 28,033 | 14.9% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 135,197 | 71.8% |
| White, not Hispanic | 45,762 | 24.3% |
| Black, not Hispanic | 3,392 | 1.8% |
| Asian, not Hispanic | 721 | 0.4% |
| American Indian / Alaska Native, not Hispanic | 171 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 112 | 0.1% |
| Some other race, not Hispanic | 517 | 0.3% |
| Two or more races, not Hispanic | 2,501 | 1.3% |
Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.
Citizen Voting Age Population
- Total Citizen Population
- 170,861
- Citizen Voting Age Population (CVAP)
- 121,072
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 52,611 | 30.8% |
| Hispanic | 118,252 | 69.2% |
| White | 46,733 | 27.4% |
| Black | 3,358 | 2.0% |
| Asian | 495 | 0.3% |
| American Indian / Alaska Native | 171 | 0.1% |
| Native Hawaiian / Pacific Islander | 37 | 0.0% |
| Two or More Races | 139 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 42,466 | 35.1% |
| Hispanic | 78,612 | 64.9% |
| White | 37,482 | 31.0% |
| Black | 3,168 | 2.6% |
| Asian | 1,007 | 0.8% |
| American Indian / Alaska Native | 704 | 0.6% |
| Native Hawaiian / Pacific Islander | 29 | 0.0% |
| Two or More Races | 120 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
